| Seligenstadt to Oerlinghausen | 134.22 mi (216.01 km) |
| Seligenstadt to Oestrich-Winkel | 42.98 mi (69.17 km) |
| Seligenstadt to Offenburg | 117.85 mi (189.66 km) |
| Seligenstadt to Oftersheim | 48.87 mi (78.64 km) |
| Seligenstadt to Ohrdruf | 95.17 mi (153.16 km) |
| Seligenstadt to Ohringen | 62.33 mi (100.31 km) |
| Seligenstadt to Olbernhau | 197.39 mi (317.68 km) |
| Seligenstadt to Olching | 165.33 mi (266.07 km) |
| Seligenstadt to Oldenburg | 217.33 mi (349.77 km) |
| Seligenstadt to Oldenburg in Holstein | 305.75 mi (492.07 km) |
| Seligenstadt to Olfen | 135.25 mi (217.66 km) |
| Seligenstadt to Olpe | 84.23 mi (135.56 km) |
| Seligenstadt to Olsberg | 93.40 mi (150.32 km) |
| Seligenstadt to Oranienburg | 263.05 mi (423.33 km) |
| Seligenstadt to Ortenberg | 22.62 mi (36.41 km) |
